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CSS :: Digestive System Physiology


61.  Appetite is a psychological reflex depending upon:
A. Colour, taste, smell of food B. Cooking medium of the food
C. Place of food being served D. All of these

62.  Hunger centres are located in:
A. Rhinocoel B. Hypothalamus
C. Piamater D. Medulla

63.  Hunger centres are stimulated by:
A. Fall in glucose level below normal level B. Moderate decrease in body temperature
C. Both of these factors D. None of these

64.  We loose hunger in fever because:
A. Increase in body temperature suppresses excitement of hunger centre B. Glucose level does not fall in fever
C. Enzymes are not secreted in body D. None of these reason account for this

65.  We et more in winter than summers because:
A. Decrease in bdoy temperature excites our hunger centres B. There is no glucose in our body during winters
C. The satiety centre is excited during winters D. Fat depots are depleted during winters

66.  In which part of the brain centre of hunger, satiety and thirst are located:
A. Medulla oblongata B. Hypothalamus
C. Diencephalon D. None of these

67.  Presence of which of the following centres is not certain in frog:
A. Hunger centre B. Satiety centre
C. Thirst centre D. All of these

68.  Enzymes are essential for our body because they:
A. Provide us with energy B. Take part in building of body
C. Catalyze various biochemical reactions in our body D. Regulate our body temperature

69.  Carbohydrates which we need as a source of energy are obtained from:
A. Starches of cereals B. Cellulose of green vegetables
C. Both (a) & (b) D. None of these

70.  Seprophyes are those organisms which:
A. Cannot synthesize their own food B. Cannot synthesize their own cytoplasm
C. Can absorb complex food directly from dead matter D. Need enzymes for absorption of food




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